CVE-2026-44431
Analyzed Analyzed - Analysis Complete
BaseFortify

Publication date: 2026-05-13

Last updated on: 2026-05-14

Assigner: GitHub, Inc.

Description
urllib3 is an HTTP client library for Python. From 1.23 to before 2.7.0, cross-origin redirects followed from the low-level API via ProxyManager.connection_from_url().urlopen(..., assert_same_host=False) still forward these sensitive headers. This vulnerability is fixed in 2.7.0.
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Meta Information
Published
2026-05-13
Last Modified
2026-05-14
Generated
2026-05-20
EPSS Evaluated
2026-05-19
NVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
python urllib3 From 1.23 (inc) to 2.7.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-200 The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
CWE-NVD-CWE-noinfo
Attack-Flow Graph
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0/70
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